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Cheap flights from Ireland to the United States from £173

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Ireland to USA

Keep the following information in mind while searching for Ireland to USA flight deals. Data was last updated 25 March 2025.

Round-trip from

£241

One-way from

£173

Popular in

July

Cheapest in

February

Average price

£374

Good round-trip deal

£409 or less

Good one-way deal

£342 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/5-29/5
  • 2 total stops
  • 41h 35m total
  • Ireland to USA
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WestJet
  • WestJet
  • 4/5
  • 1 total stop
  • 12h 25m total
  • Ireland to USA
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Ireland to USA.
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Price to beat on a one-way flight from Ireland to USA.
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Find flight deals from Ireland to USA

Cheapest flights from Ireland to USA
Explore the most affordable flight options available from Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Thu 22/512:20DUB - EWR
1 stop29h 55mScandinavian Airlines
Thu 29/518:50EWR - DUB
1 stop11h 40mScandinavian Airlines
Deal found 24/3£241
Tue 13/519:05DUB - JFK
2 stops25h 35mScandinavian Airlines
Sun 18/518:55JFK - DUB
1 stop18h 20mScandinavian Airlines
Deal found 24/3£312
Sat 3/512:15DUB - JFK
1 stop14h 55mIcelandair
Sat 10/520:25JFK - DUB
1 stop9h 40mIcelandair
Deal found 24/3£319
Thu 24/412:00DUB - LGA
1 stop11h 29mAir France
Mon 5/519:00LGA - DUB
1 stop10h 45mAir France
Deal found 24/3£333
Thu 24/413:25DUB - EWR
Nonstop7h 35mAer Lingus
Mon 5/517:30EWR - DUB
Nonstop6h 25mAer Lingus
Deal found 24/3£335
Wed 2/411:45DUB - JFK
1 stop13h 45mMultiple Airlines
Sat 19/418:10JFK - DUB
1 stop10h 25mMultiple Airlines
Deal found 24/3£339
Thu 1/505:55DUB - JFK
1 stop11h 25mKLM
Sat 10/521:20JFK - DUB
Nonstop6h 55mKLM
Deal found 24/3£341
Wed 2/408:55DUB - JFK
1 stop18h 55mDelta
Sat 19/421:25JFK - DUB
Nonstop6h 50mDelta
Deal found 24/3£342
Sun 11/505:55DUB - LGA
2 stops16h 28mDelta
Sun 18/518:00LGA - DUB
1 stop11h 45mDelta
Deal found 24/3£346
Sun 5/1012:15DUB - EWR
1 stop11h 55mIcelandair
Wed 8/1020:25EWR - DUB
1 stop11h 50mIcelandair
Deal found 23/3£353
Fri 7/1111:15DUB - ATL
2 stops35h 10mScandinavian Airlines
Sun 9/1120:00ATL - DUB
2 stops33h 25mScandinavian Airlines
Deal found 24/3£353
Tue 15/411:45DUB - JFK
1 stop12h 15mFinnair
Mon 21/411:57JFK - DUB
1 stop12h 33mFinnair
Deal found 24/3£354

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 March 2025.
Use the filters below to find and compare flights from Ireland to the United States that are best for you.

Fly from

Ireland

Fly to

USA

Route

Depart

Return

Price

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 22/5

12:20-13:15

1 stop29h 55m

Newark

Thu 29/5

18:50-11:30

1 stop11h 40m

£241

DublinNew York

DUB - JFK

DUBJFK

Dublin

Tue 13/5

19:05-15:40

2 stops25h 35m

New York John F Kennedy Intl

Sun 18/5

18:55-18:15

1 stop18h 20m

£312

DublinNew York

DUB - JFK

DUBJFK

Dublin

Sat 3/5

12:15-22:10

1 stop14h 55m

New York John F Kennedy Intl

Sat 10/5

20:25-11:05

1 stop9h 40m

£319

DublinNew York

DUB - LGA

DUBLGA

Dublin

Thu 24/4

12:00-18:29

1 stop11h 29m

New York LaGuardia

Mon 5/5

19:00-10:45

1 stop10h 45m

£333

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 24/4

13:25-16:00

Nonstop7h 35m

Newark

Mon 5/5

17:30-04:55

Nonstop6h 25m

£335

DublinNew York

DUB - JFK

DUBJFK

Dublin

Fri 19/9

11:45-19:43

1 stop12h 58m

New York John F Kennedy Intl

Sat 27/9

18:10-09:35

1 stop10h 25m

£339

DublinNew York

DUB - JFK

DUBJFK

Dublin

Thu 1/5

13:20-19:05

1 stop10h 45m

New York John F Kennedy Intl

Fri 30/5

21:20-09:15

Nonstop6h 55m

£341

DublinNew York

DUB - JFK

DUBJFK

Dublin

Sat 17/5

05:55-15:25

1 stop14h 30m

New York John F Kennedy Intl

Sun 18/5

00:50-16:40

1 stop10h 50m

£343

DublinNew York

DUB - LGA

DUBLGA

Dublin

Sun 11/5

05:55-17:23

2 stops16h 28m

New York LaGuardia

Sun 18/5

18:00-10:45

1 stop11h 45m

£346

DublinNew York

DUB - JFK

DUBJFK

Dublin

Tue 15/4

11:45-19:00

1 stop12h 15m

New York John F Kennedy Intl

Mon 21/4

11:57-05:30

1 stop12h 33m

£354

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 60 results
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Best time to book a flight from Ireland to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to the United States

What is the cheapest month to book a flight from Ireland to USA?

Currently, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). Flying from Ireland to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to US?

Find hourly flight availability from Ireland to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to USA as you normally would.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 25 March 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from Ireland to USA by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Azores Airlines
7.6
Good
63 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to USA flight route?

    Within the past month, 395 users have taken a look at flights from Ireland to United States.

  • What are the cheapest airlines to fly from Ireland to USA one-way?

    The cheapet airlines for a one-way flight from Ireland to USA are WestJet (£173), Scandinavian Airlines (£300), and TAP AIR PORTUGAL (£319).

  • Can I find deals for flights from Ireland to USA that include hotel bookings?

    Yes. In addition to deals on Ireland to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to USA.

  • Can I find deals for business class flights from Ireland to USA?

    Yes. Cheapflights offers flight deals from Ireland to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to USA?

    Currently, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). Flying from Ireland to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ireland to USA

Discover the top 10 airlines that operate flights from Ireland to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£204Average£359FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
PLAYCheapest£216Average£361FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£261Average£434FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£278Average£498FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£284Average£529FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£292Average£492FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£307Average£542FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£311Average£529FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£314Average£488FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£334Average£511FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to USA?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ireland to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ireland to USA?

Cheapflights helps you find that perfect flight to USA from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to USA with no change fees?

Yes, we can. To see specific flights from Ireland to USA with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to USA become cheaper?

Yes, Cheapflights offers price alerts on Ireland to USA flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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